string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9B%91%E7%90%862021%E7%9C%9F%E9%A2%98%E4%B8%89%E6%8E%A7%E8%A7%A3%E6%9E%90%E7%AD%94%E6%A1%88 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
监理2021真题三控解析答案
